Home / 7,258.95-10,018.31-4,115.25

Finding the Fourth Proportional to 7,258.95, 10,018.31 and 4,115.25

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Solution

The fourth proportional to 7,258.95, 10,018.31 and 4,115.25 is: 5,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.95 : 10,018.31 = 4,115.25 : x
  2. Step 2: Convert to fraction form
    7,258.95/10,018.31 = 4,115.25/x
  3. Step 3: Cross multiply
    7,258.95x = 10,018.31 × 4,115.25
  4. Step 4: Simplify right side
    7,258.95x = 41,227,829.65
  5. Step 5: Solve for x
    x = 41,227,829.65/7,258.95
  6. Step 6: Final answer
    x = 5,679.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.